TM 9-2320-279-34-2
11-16
Change 4
Brake System Maintenance Instructions (Cont)
11-7. PARKING BRAKE VALVE REPAIR (CONT).
a. Disassembly.
(1)
Mount valve body (1) in vise with soft jaws.
(2)
Remove two screws (2) and end cap (3).
(3)
Remove seal (4).
(4)
Remove locknut (5), washer (6), and poppet (7).
(5)
Remove stem (8) and preformed packings (9) and (9.1).
b. Cleaning/Inspection.
WARNING
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
(1)
Clean all metal parts in dry cleaning solvent.
(2)
Inspect end cap and valve body for damage.
(3)
Replace damaged parts.
c. Assembly.
(1)
Mount valve body (1) in vise with soft jaws.
(2)
Coat preformed packings (9) and (9.1) with lubricating oil and install on stem (8).
(3)
Insert stem (8) in valve body (1) and install poppet (7), washer (6), and locknut (5).
(4)
Coat seal (4) with lubricating oil and install in valve body (1).
(5)
Install end cap (3) and two screws (2).
d. Follow-on Maintenance. None.
END OF TASK
